Nelsonville
- County:
- Portage County
- County Seat:
- No
- Area (mi²):
- 1.029
- State:
- Wisconsin
Nelsonville is a village located in Portage County, Wisconsin. Nelsonville has a 2026 population of 161. Nelsonville is currently growing at a rate of 1.26% annually and its population has decreased by 0% since the most recent census, which recorded a population of 161 in 2020.
The median household income in Nelsonville is $58,542 with a poverty rate of 5.26%. The median age in Nelsonville is 41.8 years: 41.3 years for males, and 42.1 years for females. For every 100 females there are 102.1 males.